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Table 2 Participant characteristics according to DII quartiles

From: The association of dietary inflammatory potential with sarcopenia in Chinese community-dwelling older adults

Variable

Quartile 1 (n = 128)

Quartile 2 (n = 129)

Quartile 3 (n = 129)

Quartile 4 (n = 129)

p

Age (years)

71.32 ± 4.47

71.55 ± 4.45

71.43 ± 5.12

70.96 ± 4.79

0.785

Gender

    

0.288

 Male

59

48

45

51

 

 Female

69

81

84

78

 

Education level

    

0.013*

 High school and below

4

4

13

13

 

 College degree

88

78

78

92

 

 Bachelor’s degree and above

20

28

25

19

 

 Master’s degree and above

16

19

13

5

 

BMI (kg/m2)

23.65 ± 2.91

23.19 ± 3.31

23.67 ± 3.26

23.79 ± 3.32

0.446

Comorbidities

    

0.072

 No

54

53

49

36

 

 Yes

74

76

80

93

 

Drinker (%)

    

0.039*

 Yes

26

12

15

15

 

 No

102

117

114

114

 

Annual household income (RMB)

    

0.298

  ≤ 30,000 RMB

9

12

9

14

 

 30,000—90,000

99

92

104

99

 

 90,000—240,000

18

22

15

16

 

  > 240,000

2

3

1

0

 

Lives alone

     

 Yes

10

7

12

12

0.622

 No

118

122

117

117

 

FFM (kg)

46.25 ± 8.10

43.26 ± 8.10

43.62 ± 7.82

43.17 ± 7.77

0.005*

FFMI (kg/m2)

16.94 ± 1.86

16.40 ± 1.85

16.58 ± 1.78

16.61 ± 1.73

0.122

BMR (kcal)

1366.68 ± 172.91

1305.88 ± 169.04

1313.64 ± 169.04

1307.16 ± 168.28

0.011*

FM (kg)

17.92 ± 5.72

17.44 ± 6.82

18.65 ± 6.24

18.70 ± 5.68

0.288

FMI (kg/m2)

6.69 ± 2.19

6.65 ± 2.67

7.18 ± 2.60

7.13 ± 2.20

0.162

ASMI (kg/m2)

7.07 ± 1.01

6.77 ± 1.11

6.84 ± 0.99

6.75 ± 0.95

0.064

Handgrip strength (kg)

27.56 ± 8.64

26.10 ± 8.56

25.59 ± 7.73

24.84 ± 6.99

0.048*

Morse score

13.40 ± 16.05

12.83 ± 14.35

14.03 ± 15.21

14.65 ± 16.17

0.800

SSRS score

35.39 ± 7.38

36.29 ± 7.47

34.66 ± 7.31

33.88 ± 7.87

0.067

GDS-15 score

1.51 ± 2.13

1.67 ± 1.72

1.66 ± 1.94

2.05 ± 2.33

0.172

SPPB score

11.23 ± 1.36

11.16 ± 1.45

11.09 ± 1.38

10.98 ± 1.74

0.571

T2DM

    

0.470

 Yes

21

25

18

27

 

 No

107

103

111

103

 

Hypertension

    

0.040

 Yes

49

52

60

71

 

 No

79

76

69

59

 

CVD

    

0.548

 Yes

14

14

17

21

 

 No

114

114

112

109

 

Cancer

    

0.627

 Yes

1

3

4

3

 

 No

127

125

125

127

 

Cognitive impairment

    

0.879

 Yes

41

42

47

44

 

 No

87

87

82

85

 

Low SPPB

    

0.474

 Yes

11

14

19

14

 

 No

117

115

110

115

 

Low 6 m walk test (gait speed)

    

0.147

 Yes

15

25

23

23

 

 No

113

104

106

100

 

Low 5-times sit-stand chair test

    

0.023*

 Yes

6

17

13

21

 

 No

122

112

116

108

 
  1. Data are presented as mean ± SD for continuous variables and n for categorical variables. ANOVA test for continuous variables and Chi-square test for categorical variables
  2. Abbreviations: DII Dietary inflammatory index, BMI Bbody mass index, FFMI Fat free mass index, FMI Fat mass index, BMR Basal metabolic rate, FMI Fat mass index, ASMI Appendicular skeletal muscle index, GDS Geriatric Depression Scale, SSRS Social Support Rate Scale, SPPB Short Physical Performance Battery, T2DM type 2 diabetes mellitus, CVD Cardiovascular disease. Low SPPB defined as SPPB score ≤ 9. Low gait speed defined as < 1.0 m/s. Low 5-times sit-stand chair test defined as ≥ 12 s
  3. *p < 0.05
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BMC Geriatrics

ISSN: 1471-2318

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